Program Listing for File pipeline-descriptor-set-info.h

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#pragma once

#include "playback/resource-info/detail/span.h"
#include "playback/resource-info/resource-info.h"
#include "api-types/api-types.h"

#include <vector>

namespace gpa {
namespace playback {

enum class DescriptorType {
    BUFFER,
    TEXTURE,
    SAMPLER,
    COMBINED_IMAGE_SAMPLER,
    ACCELERATION_STRUCTURE
};

struct PipelineDescriptorBinding
{
    api_types::ShaderStageFlags shaderStageVisibility{api_types::GPA_SHADER_STAGE_UNKNOWN};

    uint32_t descriptorCount{0};

    uint32_t shaderBinding{0};

    uint32_t shaderSpace{0};

    DescriptorType type{DescriptorType::BUFFER};
};

bool operator==(PipelineDescriptorBinding const& lhs, PipelineDescriptorBinding const& rhs);

bool operator!=(PipelineDescriptorBinding const& lhs, PipelineDescriptorBinding const& rhs);

bool operator<(PipelineDescriptorBinding const& lhs, PipelineDescriptorBinding const& rhs);

class PipelineDescriptorSet final
    : public ResourceInfo
{
public:
    TypeId GetTypeId() const override final;

    uint64_t bindingCount{0};
    PipelineDescriptorBinding const* pBindings{nullptr};
    api_types::ShaderStageFlags shaderStageVisibility{api_types::GPA_SHADER_STAGE_UNKNOWN};

protected:
    void OnRegister() override final;

private:
    class Storage final
    {
    public:
        std::vector<PipelineDescriptorBinding> bindings;
    } mStorage;
};

namespace detail {

template<>
inline auto MakeTuple<PipelineDescriptorSet>(const PipelineDescriptorSet& pipelineDescriptorSet)
{
    return std::make_tuple(
        pipelineDescriptorSet.bindingCount,
        MakeSpan(pipelineDescriptorSet.pBindings, pipelineDescriptorSet.bindingCount));
}

}  // namespace detail
}  // namespace playback
}  // namespace gpa